@mixin flexCenter {
    display: flex;
    align-items: center;
    justify-content: center;
}

@mixin calendarItemStyle {
    width: calc(100% / 7);
    height: 100%;
    @include flexCenter;
    font-size: 13px;
    letter-spacing: 1px;
    box-sizing: border-box;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    position: relative;
}